The Eco News Roundup brings stories and commentary about issues related to climate change, renewable energy and the environment.
From our standpoint 66 million years later, it’s easy to assume the demise of the dinosaurs was an inevitability.
But an international team of researchers is making a radical argument for why that may not be the case: Had the asteroid that likely wiped out the dinosaurs slammed into the planet a few minutes earlier or later, the scientists say, the fabled reptiles could still be walking the earth now.
Believe it or not, the planet could be much warmer in the next few years, according to new research.
The research, published this week in Geophysical Research Letters, indicates that Earth could be 2.7 degrees Fahrenheit (1.5 C) warmer than in the late 1800s over the span of about nine years.
“Global temperature is rapidly approaching the 1.5°C Paris target,” the paper states.
According to the paper, a natural cooling cycle the planet has been in that may have kept temperatures from rising even higher than they have could actually change sometime soon and send temperatures higher.
In the absence of external cooling influences like volcanic eruptions, temperature projections exceed the 1.5°C target before the year 2029, the paper staes.
By the second half of this century, rising air temperatures above the Weddell Sea could set off a self-amplifying meltwater feedback cycle under the Filchner-Ronne Ice Shelf, ultimately causing the second-largest ice shelf in the Antarctic to shrink dramatically. Climate researchers at the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (AWI) recently made this prediction in a new study, which can be found in the latest issue of the Journal of Climate, released today. In the study, the researchers use an ice-ocean model created in Bremerhaven to decode the oceanographic and physical processes that could lead to an irreversible inflow of warm water under the ice shelf – a development that has already been observed in the Amundsen Sea.
Imagine a day when the familiar bird calls of spring are no more. This could become a reality in the face of climate change, new research suggests.
Researchers from the Department of Ocean Sciences at Memorial University of Newfoundland, as well Florida’s Museum of Natural History, used satellite data as well as observational data collected by citizen scientists — bird watchers who keep an accurate account on the arrival and movements of birds.
They studied the interval between spring plant growth and the arrival of 48 North American bird species from 2001 to 2012.
What they found is that the gap grew by a rate of one day per year on average, or five days per decade.
Most birds have been able to adapt to this change. But those who don’t may miss a critical window to find good nesting spots and to feed on early-spring insects.
Antarctica is becoming more green, and less snowy, as the climate continues to change. Moss and plants have been growing more quickly in the last 50 years on the Antarctic Peninsula, and the trend might continue.
The changes in the vegetation found on the peninsula are a reaction to warming temperatures over the years. Analysis of moss banks provided proxy data for the time prior to recent climate records. The research conducted by scientists from the University of Exeter in the United Kingdom was published in Current Biology Thursday.
The focus on the impacts of climate change across the United States is often on the most dramatic cases. But these graphics show that Minnesota, which will not feel the pinch of sea level rise or an increased threat from hurricanes, is already experiencing real and extraordinary changes.
The Arctic and Antarctic are seeing an accelerated collapse of both sea and land ice.
When you add in Trump’s aggressive agenda to undo both domestic and global climate action, we are facing the worst-case scenario for climate change — and one new study finds that the worst case is “societal collapse.”
The unprecedented drop in global sea ice we reported on last month has continued. Arctic sea ice reached a new record low, the National Snow and Ice Data Center (NSIDC) reports.
Donald Trump has previously dismissed climate change as a “hoax”. Later this month, the US president will announce whether the country will leave or reduce its commitments to the Paris Climate Agreement. But just a few hours from the US capital, Tangier Island in Virginia is slowly disappearing, amid land erosion and a steady rise in sea levels. Despite the obvious effects of climate change, most islanders remain staunch Trump supporters. Our correspondent went to meet them.
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